Not exact matches
An assessment paid for by DuPont said that the
ethanol it will
produce there could be
more than 100 per cent better than gasoline in terms of greenhouse gas emissions.
According to our analysis, this would generate
more than enough electricity to power the biorefinery, so surplus power could be sold back to the grid, displacing electricity
produced from fossil fuels — a practice already used in some plants in Brazil to
produce ethanol from sugarcane.
They prefer stressed or dying trees, which have
more ethanol — an alcohol that's
produced naturally by the plant — flowing through their tissues.
An acre of switchgrass can
produce more than twice as much
ethanol as an acre of corn.
Currently
more than 40 per cent of the US corn crop goes into
producing ethanol, which is mostly mixed with gasoline to fuel conventional cars.
«We found that with a given amount of biomass you could
produce more transportation and greenhouse gas offsets with electricity than with
ethanol.»
At MIT, scientists have engineered a new yeast strain that can survive in high levels of sugar and
ethanol,
producing 50 percent
more ethanol than its natural cousins.
The company can
produce more than 100 gallons of fuel per ton based on lab experiments because bacteria make
more ethanol: «We aren't
producing butanol, propanol, hexanol, octanol, and all the other alcohols,» Bolsen says.
The branches with the highest red coloration
produce 160 %
more ethanol.
That was the knock on
ethanol: that it took
more energy to create than it
produced as fuel.
And farmers have figured out a way for
ethanol to be
more energy -
producing than energy - consuming.
This means that switchgrass
ethanol delivers 540 percent of the energy used to
produce it, compared with just roughly 25 percent
more energy returned by corn - based
ethanol according to the most optimistic studies.
Among the multiple applications for different processing pathways of corn or sorghum
ethanol are four pathways from LytEn for hydrogen
produced from biomethane; four pathways for renewable... Read
more →
Using corn to
produce ethanol has driven up food prices in recent years, and converting forests and other areas into farmland to grow
more corn for biofuels may well negate
ethanol's improved greenhouse gas emissions (GHG).
FlexFuel can be advantageous in parts of the country where higher - percentage
ethanol fuel blends are offered, as GM FlexFuel engines have been engineered to
produce more horsepower while running high - octane blends.
Where will that energy come from if we make many
more poor choices like corn
ethanol (a systems analysis of which showed that it took
more total energy to
produce than it delivered).
I think it's very interesting that last November, Florida Governor Charles Crist — the governor of the state that
produces more sugar cane than any other, and about a fifth of all American sugar — visited Brazil and proposed ending America's tariff on sugar
ethanol from that country.
If I
produced corn
ethanol, and the price of oil went up, I'd charge a lot
more for my
ethanol to maximize profitability while my competitor's prices were high, which, in a nutshell is why
ethanol does little to protect consumers from oil price spikes.
But the
ethanol boosters are ignoring some unpleasant facts: Ethanol won't significantly reduce our oil imports; adding more ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually co
ethanol boosters are ignoring some unpleasant facts:
Ethanol won't significantly reduce our oil imports; adding more ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually co
Ethanol won't significantly reduce our oil imports; adding
more ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take more energy to produce a gallon of ethanol than it actually co
ethanol to our gas tanks adds further complexity to our motor - fuel supply chain, which will lead to further price hikes at the pump; and, most important (and most astonishing), it may take
more energy to
produce a gallon of
ethanol than it actually co
ethanol than it actually contains.
The bill also extends through 2011 the $ 0.10 / gallon producer tax credit for small
ethanol producers
producing no
more 60 million gallon of
ethanol a year.
Presently, despite frequently optimistic claims, it costs significantly
more to
produce cellulosic
ethanol than to
produce corn
ethanol.
It can be a lot
more productive to
produce mixed fuels like Acetone, Butanol and
Ethanol in a process than trying to
produce a single highly pure fuel.
The latter would mean, for example, using less corn and
more switchgrass to
produce fuel
ethanol.
New Zealand - based Lanzatech, the developer of gas fermentation technology for
producing ethanol and high value chemicals (e.g.: MEK, Butadiene) from industrial waste gases, has signed a memorandum of understanding with one of the largest coal producers in China, Henan Coal and Chemical Industrial Corporation, to build a demonstration plant to... Read
more →
The researchers found that using biomass to
produce electricity for electric vehicles would
produce 81 percent
more transportation miles than using the same amount of crops to
produce ethanol.
It
produces 10 — 15 %
more ethanol than a strain that utilizes glucose alone.
But all of this is despite serious scientific concerns about biofuels, especially corn
ethanol - whose production requires lots of land, and consumes lots of energy - some say
more than the fuel itself
produces.
Ethanol more energy - efficient than oil, finds study: Using ethanol — alcohol produced from corn or other plants — instead of gasoline is more energy - efficient that oil say researchers at the University of California, Be
Ethanol more energy - efficient than oil, finds study: Using
ethanol — alcohol produced from corn or other plants — instead of gasoline is more energy - efficient that oil say researchers at the University of California, Be
ethanol — alcohol
produced from corn or other plants — instead of gasoline is
more energy - efficient that oil say researchers at the University of California, Berkeley.
Ethanol reduces c02 slightly but burns with a lot
more polluting solids as found by testing recently, it also clogs motors and catalyic converters and
produces nitros oxide which is a lot worse and that is smog,
more lies, c02 is essential for every living thing on the planet not a pollutant.
The US has now crossed the point where
more corn is being used for
ethanol production than for feeding people
producing 206.5 million barrels of
ethanol in 2010.
They hold that if 10 % was mandated then they would have to import
ethanol because it is
produced overseas much
more cheaply than in Australia.
One wonders how, given that the Australian sugar industry seems to be as efficient as any in the world,
ethanol can really be
produced more cheaply elsewhere; perhaps the lower prices are due to subsidies?
Although
ethanol can be
produced from any plant, it is much
more efficient and much less costly to use sugar - and starch - bearing crops.
The corn crop in the US will help to supply the required 18 billion gallons of
ethanol in 2016, which will add to the strain of devoting
more environmental resources to
produce corn.
Analysis of the total energy input to
produce ethanol from corn show that 29 %
more fossil fuel input energy is require to
produce one energy unit of
ethanol.
Switchgrass
ethanol, though, can yield 540 percent
more energy than is required to
produce it, the new study says.
Environmental groups say
producing more corn
ethanol for fuel could be bad for the environment.
In a free market, refiners would have blended less
ethanol and
produced more gasoline than they did in the market rigged by the RFS and other pro-
ethanol policies.
Producing enough ethanol for that is not a problem, producing much mor
Producing enough
ethanol for that is not a problem,
producing much mor
producing much
more may be.
Whatever is happening with the weather, we should remember that we are motivating farmers to
produce more corn, so they can make
ethanol to put in our auto fuel.
If total oil supply based on these numbers are compared, the United States actually
produces more oil than these other countries because the United States
produces far
more oil from natural gas and other liquids (e.g.
ethanol) and refinery gain than do the other countries.
•
Ethanol production using wood biomass required 57 % more fossil energy than the ethanol fuel pr
Ethanol production using wood biomass required 57 %
more fossil energy than the
ethanol fuel pr
ethanol fuel
produced.
• Biodiesel production using soybean required 27 %
more fossil energy than the biodiesel fuel
produced (Note, the energy yield from soy oil per hectare is far lower than the
ethanol yield from corn).
•
Ethanol production using switchgrass required 50 % more fossil energy than the ethanol fuel pr
Ethanol production using switchgrass required 50 %
more fossil energy than the
ethanol fuel pr
ethanol fuel
produced.
We don't, as a rule, trouble about the carbon footprint of foodstuffs but isn't is obvious that corn
produced as food is going to be
more carbon - intensive than corn
produced fro fuel, if only because
ethanol when transported doesn't require the same packaging and refrigeration as corn?
This is how we can
produce massive quantities of domestic biofuel and solve our liquid fuel demand: We could remove the starch from ALL of our feed corn (instead of just part of it) to make
more ethanol.
So,
more attention and resources are going into the
producing of
ethanol and other biofuel types from second - generation feedstocks, sometimes known as non-food crops.
Researchers found that burning biomass to
produce electricity for electric vehicles would
produce 81 percent
more transportation miles than using the same crops to
produce ethanol.
Farmers won't
produce more cellulose than their ruminants need unless there is a cellulose to
ethanol plant buying.
In years where we have a bumper crop of corn, and
produce more than we need for feed, the market to distilleries will provide built in price supports; the DDGS from the other
ethanol feedstocks will provide some cushion to food production in years when the corn crop is bad.